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基于SiC功率器件的6-kVA准Z源逆变器设计流程

On the Design Process of a 6-kVA Quasi-Z-inverter Employing SiC Power Devices

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中文摘要

本文介绍了采用SiC MOSFET和SiC肖特基二极管构建的6-kVA准Z源逆变器的设计流程。研究重点在于平衡转换器的效率与功率密度,探讨了开关频率等关键参数对系统性能的影响,旨在实现最优化的系统设计。

English Abstract

This paper presents the design process of a 6-kVA quasi-Z-source inverter built with SiC power devices, in particular, employing SiC MOSFETs and SiC Schottky diodes. The main design target is to find the optimal parameters and a good agreement between the efficiency and power density of the converter. The performance of the system may be influenced not only by the switching frequency but also from...
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SunView 深度解读

准Z源逆变器(qZSI)具备单级升降压能力,在户用光伏逆变器领域具有应用潜力。阳光电源在户用组串式逆变器中已广泛应用SiC器件以提升效率和功率密度,该文献关于SiC器件在特定拓扑下的参数优化设计方法,对公司进一步优化户用逆变器体积、降低散热成本及提升整机转换效率具有重要的参考价值。建议研发团队关注该拓扑在高频化趋势下的电磁兼容性及SiC器件驱动保护策略,以支撑下一代高功率密度户用产品的开发。